*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
header .navbar-brand{
    width: 40%;
}
.navbar-brand img{
    width: 50% !important;
}
.navbar-nav .nav-item .nav-link{
    padding-right: -10px !important;
}
.navbar-nav .active .nav-link{
    border-bottom: 4px #0287d4 solid;
}
.navbar-nav .nav-item .nav-link:hover{
    border-bottom: 4px #0287d4 solid;
}

.dongtaitu .lunbo li{
    height:15px;
    width: 15px;
    border-radius: 50%;
}
/*main*/
.main .container{
    text-align: center;
    margin-top: 34px;
}
.main-top h3{
    display: inline-block;
}
.main-top p{
    color: #959595;
}
.b-1 .img img{
    width: 140px;
    height: 140px;
    border: 15px #f0f0f0 solid;
    transition-duration: 1s;
}
.b-1 .img img:hover{
    transform: rotate(360deg);
}
.b-1 h5{
    margin-top: 20px;
}
.b-1 p{
    color: #000;
    font-size: 14px;
}
.main .container .row{
    margin-top: 42px;
    margin-bottom: 42px;
}
.banner{
    padding-top: 42px;
    padding-bottom: 34px;
    text-align: center;
    background-color: #efeeec;
}
.banner h4,.dong h4,.kehu h4{
    display: inline-block;
    margin-left: 10px;
}
.banner p,.dong p,.kehu p{
    color: #919ba4;
}
.navbar{
    display: flex;
    flex-wrap: wrap;
    padding: 0;
}
.div-tu{
    width: 25%;
    float: left;
    position: relative;
}
.div-tu img{
    width: 100%;
    height: 270px;
    display: flex;
    flex-wrap: wrap;
}
.jk-1{
    width: 100%;
    height: 100%;
    position: absolute;
    bottom: 0;
    text-align: center;
    display: none;
    transition: all 10s ease;
    opacity: 1;
    background: rgba(0, 0, 0, .72);
}
.div-tu:hover .jk-1{
    display: block;
    height: 100%;
}
.div-tu:hover .jk-1 h5{
    color: white;
    transform: translateY(200px);
}
.zi-1{
    padding: 28px 56px 24px 56px;
    background-color: #128abe;
}
.zi1 p{
    color: white;
}
.anniu{
    text-align: right;
    margin-top: 20px;
}
.anniu button{
    color: #ffffff;
    width: 100px;
    height: 40px;
    background-color: #2485ba;
    border: 2px #ffffff solid;
    border-radius: 5px;
}
.anniu button:hover{
    background-color: #ffffff;
    color: #147ae6;
}
.dong{
    padding-top: 35px;
    padding-bottom: 40px;
}
.dong-top{
    text-align: center;
}
.dong .container{
    margin-top: 40px;
}
.dong .tu-2 .img{
    width: 100%;
    transition: all 2s ease;
}
.tu-2{
    width: 160px;
    height: 160px;
    overflow: hidden;
}
.dong .tu-2 .img:hover{
    transform: scale(1.5);
}
.dong .l-1{
    margin-top: 20px;
}
.kehu{
    text-align: center;
    background-color: #efeeec;
    padding-top: 42px;
    padding-bottom: 56px;
}
footer{
    background: url("../img/footer.png") no-repeat;
    background-size: 100% 100%;
    padding-top: 46px;
    padding-bottom: 42px;
}
footer p{
    color: white;
    font-size: 22px;
}
footer h5{
    color: white;
    margin-bottom: 20px;
}
footer .col-md-8 div{
    margin-bottom: 20px;
}
footer .col-md-8 div a{
    color: white;
    margin-right: 50px;
}
footer ul li{
    list-style: none;
    color: white;
    margin-bottom: 10px;
}

@media (max-width: 600px) {
    .navbar-brand img{
        width: 100% !important;
    }
    .div-tu{
        width: 100%;
    }
    .header-right ul li{
        width: 33%;
    }
    .header-right .active {
         border-bottom: 0 #0287d4 solid;
    }
    .header-right ul li:hover{
        border-bottom: none;
    }
}